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answers:

1

What are the factors you would consider when choosing between Socket.io and Pusherapp?

http://Socket.io
http://pusherapp.com

Important considerations includes: integration w existing systems like rails/django, ease of setup, ease of development

+1  A: 

Socket.io is using Ajax long polling which is more resourceful. Pusherapp on the other hand is real push. Pusherapp has various libraries, they have gem for rails, wrappers for python and GAE. You can also try other services like:

  1. Pubnub
  2. Beaconpush
  3. Hookbox
  4. Pubsubhubbub (using XMPP instead of websockets)
  5. Kwwika
Ngo Minh Nam
what do you mean "more resourceful"?
ming yeow
you can take a look at this video to grab the concept of long polling and pushing http://www.youtube.com/watch?v=oMXe-xK0BWA . By the way, the video is about Channel API from Google that might be released soon. Take your time, it's worth watching
Ngo Minh Nam